/*
 *
 * Copyright 2021-2025 Software Radio Systems Limited
 *
 * This file is part of srsRAN.
 *
 * srsRAN is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * srsRAN is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * A copy of the GNU Affero General Public License can be found in
 * the LICENSE file in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/.
 *
 */

/// \file
/// \brief Support formatters used to log information related to the PHY layer.

#pragma once

#include <chrono>

namespace fmt {

/// Custom formatter for \c std::chrono::nanoseconds.
template <>
struct formatter<std::chrono::nanoseconds> {
  template <typename ParseContext>
  auto parse(ParseContext& ctx)
  {
    return ctx.begin();
  }

  template <typename FormatContext>
  auto format(const std::chrono::nanoseconds& nanoseconds, FormatContext& ctx) const
  {
    return format_to(ctx.out(), "t={:.1f}us", static_cast<float>(nanoseconds.count()) * 1e-3F);
  }
};

} // namespace fmt
